The Diamond Head Apartment complex in Kingsford, Mich., consists of four buildings, each with eight apartments. The buildings’ deteriorating hydronic heating system was installed when the complex was built in 1989.

High-efficiency boiler retrofit for apartment complex

Situated on four acres of woods in the Upper Peninsula of Michigan, the Diamond Head Apartment complex in Kingsford, Mich., consists of four buildings, each with eight apartments. The buildings’ deteriorating hydronic heating system was installed when the complex was built in 1989.